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This commit adds a parser implementation for Xml style
tool calls, based currently on Qwen3 coder.

Followup work needs to be done to make it more generic
and parameterizable.

Signed-off-by: Graham King <grahamk@nvidia.com>

Signed-off-by: Elyas Mehtabuddin <emehtabuddin@nvidia.com>
Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>

Signed-off-by: ayushag <ayushag@nvidia.com>
Signed-off-by: Graham King <grahamk@nvidia.com>
Co-authored-by: Graham King <grahamk@nvidia.com>

Signed-off-by: ayushag <ayushag@nvidia.com>

- couple of refactors
- added a new dependency, openai-harmony
- implemented the gpt oss parser

Co-authored-by: Meenakshi Sharma <163925564+nvda-mesharma@users.noreply.github.com>

Co-authored-by: Biswa Panda <biswa.panda@gmail.com>

Co-authored-by: Graham King <grahamk@nvidia.com>

Signed-off-by: Neelay Shah <neelays@nvidia.com>
Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>

Co-authored-by: Biswa Ranjan Panda <biswaranjanp@nvidia.com>

Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>

Signed-off-by: Ryan Olson <ryanolson@users.noreply.github.com>
Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>

Signed-off-by: Ryan Olson <ryanolson@users.noreply.github.com>
Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>
Co-authored-by: Neelay Shah <neelays@nvidia.com>

Co-authored-by: aflowers <aflowers@nvidia.com>

Co-authored-by: Ryan McCormick <rmccormick@nvidia.com>
Co-authored-by: Neelay Shah <neelays@nvidia.com>